Ear-hook design, whether you are in motion, running is not easy to fall Unique style, with separate design, as a professional HIFI headphones, you are indispensable Built-in high sensitivity microphone, with noise reduction, stereo sound, 82 core OFC oxygen-free copper core double shielded to ensure the stability of quality In the absence of music, the right to wear it, can be isolated from direct noise about 26 db; in the enjoyment of music, ZS3 just transferred 15% to 20% of the total volume will be able to enjoy quiet music, so the noise our earphone effects played a very good protective effect of hearing